#include <QCoreApplication>
#include <iostream>
using namespace std;
int main ()
{
    cout<<"Vvedi chislo"<<endl;
    int A1;
    cin>>A1;
    if(A1%2==0)
        cout<<"chetnoe"<<endl;
    else
        cout<<"nechetnoe"<<endl;
    return 0;
}
